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Why the results of the first HCG pregnancy test strip is positive, the test became negative again in a few days?

2017-12-26 11:38:14

Why the results of the first HCG pregnancy test strip is positive, the test became negative again in a few days?

 HCG pregnancy test strip, by testing human urine human chorionic gonadotropin (hCG) to determine you I have not pregnant. So what is human chorionic gonadotropin (hCG), where does it come from?
hCG, a hormone secreted by the placenta during pregnancy. Thus, hCG is a hormone that appears only during pregnancy as it is produced by the placenta. Fertilized eggs form in 6 to 12 days after implantation in the uterus, forming embryos, hCG appears in our blood and urine almost at the same time embryo formation.
So, if hCG is present in the urine, the result of a pregnancy test will be positive.
Why does this happen to a small M?
In this case, there is a medical term, "chemical pregnancy," which means that once the pregnancy has not really started, it is over.
In chemical pregnancy, the egg has actually combined with the sperm to form the fertilized egg. It is reasonable to go to the uterus to start a pregnancy trip, but if the fertilized egg is not completely inoculated for some reason, it can not develop into a successful Pregnancy will eventually end with the arrival of menstruation.
Why I will ask you I have the same experience?
Because according to the relevant research data, about 70% of the pregnancies are chemical pregnancies, but the vast majority of us have not found. Because chemical pregnancies occur very early, we can not perceive them if we do not test positive pregnancy outcomes so aggressively. And, it does not have the physiologically relevant signs of pregnancy, nor do we feel anything sensible.
Often, the only manifestation of a chemical pregnancy is the appearance of very early positive test results and postponement of menstruation (days, weeks or weeks later). Therefore, we test the results of early pregnancy, will experience the beginning is positive, then weaker and weaker until the negative of such a process.

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